Proxima Fusion Raises €411M Financing Round for Stellarator Fusion Power

Proxima Fusion announced €411M in Financing Round financing on July 7, 2026. Proxima Fusion raised a €411 million financing round led by XTX Ventures and East X Ventures to build its Alpha stellarator fusion demonstrator and scale magnet production.

Round details

The financing includes backing from XTX Ventures, East X Ventures, RWE, Google, KfW Capital, SPRIND, Burda Principal Investments, Plural. The company reported a €2.4B valuation alongside the transaction.

Round: Financing Round
Capital announced: €411M
Total funding reported: €650M+ (including €95M in public grants)
Headquarters: Munich, Germany

How the company plans to use the capital

Proxima said that with this financing its focus will be on completing the Stellarator Model Coil, expanding high-temperature superconducting cable and magnet production, and continuing development of the engineering and manufacturing systems required for stellarators. The company also said the financing provides the backing needed to build Alpha, its net-energy stellarator demonstrator near Munich, and that it will be hiring across engineering, manufacturing and operations.

Why this matters for GTM teams

Proxima describes the round as private capital and says it exceeded its target of matching Bavaria’s €400 million public funding commitment to the company’s roadmap.

Fresh capital is often an operational signal rather than a buying signal by itself. Teams should validate the company’s hiring pattern, product launches, geographic expansion, and technology priorities before choosing the message and timing of outreach.

Source and methodology

This report is based on the company’s announcement and records the disclosed amount, round, investors, location, and stated use of funds. SalesTools Research does not estimate undisclosed valuation or revenue figures.

Primary source: Proxima Fusion financing round announcement.